iPhone The iphone could not be updated because the firmware file is not compatible

Discussion in 'iOS 8' started by dj1891, Sep 17, 2015.

  1. dj1891 macrumors 6502


    Feb 16, 2015
    Northern Ireland
    I am trying to downgrade from iOS 9 to 8.4.1 on my 5C as iOS 9 runs to sluggish but this is the error I get when trying to install manually through iTunes.

    I have ugraded iTunes to latest version, tried different cables but same error. Any ideas?
  2. C DM macrumors Sandy Bridge

    Oct 17, 2011
    Perhaps you are using an install file that is for a different device?
  3. vertsix macrumors 65816


    Aug 12, 2015
    Yeah, make sure you select the correct file for your device.

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